| Forest Grove to Carlsbad (California) | 910.93 mi (1,466.00 km) |
| Forest Grove to Carlsbad (New Mexico) | 1,353.86 mi (2,178.83 km) |
| Forest Grove to Carmel (Indiana) | 1,896.95 mi (3,052.84 km) |
| Forest Grove to Carmichael (California) | 484.89 mi (780.36 km) |
| Forest Grove to Carney (Maryland) | 2,377.58 mi (3,826.34 km) |
| Forest Grove to Carnot-Moon (Pennsylvania) | 2,167.71 mi (3,488.59 km) |
| Forest Grove to Carol Stream (Illinois) | 1,750.22 mi (2,816.70 km) |
| Forest Grove to Carolina (Puerto Rico) | 3,739.37 mi (6,017.93 km) |
| Forest Grove to Carolina Forest (South Carolina) | 2,452.53 mi (3,946.97 km) |
| Forest Grove to Carpentersville (Illinois) | 1,737.73 mi (2,796.60 km) |
| Forest Grove to Carpinteria (California) | 791.91 mi (1,274.45 km) |
| Forest Grove to Carrboro (North Carolina) | 2,366.22 mi (3,808.06 km) |
| Forest Grove to Carroll (Iowa) | 1,421.09 mi (2,287.02 km) |
| Forest Grove to Carrollton (Georgia) | 2,162.61 mi (3,480.38 km) |
| Forest Grove to Carrollton (Texas) | 1,636.73 mi (2,634.06 km) |
